Splenomegaly is a larger-than-normal spleen. The spleen is an organ in the upper left part of the belly.
The spleen is an organ that is a part of the lymph system. The spleen filters the blood and maintains healthy red and white blood cells and platelets.
Many health conditions can affect the spleen. These include:
Symptoms of splenomegaly include:
Splenomegaly can be caused by any of the following:
It is important to prevent injury that might rupture your spleen. You should avoid contact sports.
Your health care provider will tell you what else you need to do to take care of yourself and any medical condition.
There are usually no symptoms from an enlarged spleen. Seek medical help right away if pain in your belly is severe or gets worse when you take a deep breath.
The provider will ask about your symptoms and medical history.
A physical exam will be done. The provider will feel and tap along the upper left part of your belly, especially just under the rib cage.
Tests that may be done include:
Treatment depends on the cause of splenomegaly.
Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.